Cadillac CT4-V I (2019-2024) power distribution system Wiring diagrams

A/C EVAPORATOR TEMPERATURE SENS SIG AIR CONDITIONING SYSTEM AIR CONDITIONING, DOOR LOCKS, ANTI-THEFT SYSTEMS AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM AUTOMATIC VEHICLE HOLD INDICATOR CTRL HEADLAMP SWITCH ON SIG AUTOMATIC VEHICLE HOLD SWITCH SIGNAL AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLOWER MOTOR SPEED CTRL BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BODY CONTROL MODULE LIN BUS 6 BODY CTRL MDL LIN BUS 11 BODY CTRL MODULE LIN BUS 5 BRN/BLK WIRE BRN/GRN WIRE BRN/WHT WIRE CHILD SECURITY LOCK ACTUATOR CHILD SECURITY LOCK ACTUATOR STATUS SIG RIGHT REAR CHILD SECURITY LOCK MOTOR LOCK CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL, TRANSMISSIONS SYSTEMS CRUISE CTRL SET/COAST/ RESUME/ACCELERATE SWITCH SIG CURB VIEW ENABLE SIGNAL DISTANCE SENSING CRUISE CTRL GAP UP/DOWN SWITCH SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER MODE 1 SWITCH SIG DRIVER MODE 2 SWITCH SIGNAL DRIVER SOLAR SENS SIG ENHANCED DRIVER MODE 1 SWITCH SIG FOOTWELL ACCENT LIGHTING CTRL FRONT FOOTWELL ACCENT LIGHTING CTRL GND 14 GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE HAZARD WARNING SWITCH SIG HEADLAMP SWITCH FLASH SIG HEADLAMP SWITCH OFF SIG HEADLAMP SWITCH PARK LAMP SIG HEADLIGHTS SYSTEM HIGH BEAM SELECT SWITCH HIGH BEAM SIG HORN SWITCH SIG HORNS SYSTEM HOT AT ALL TIMES HVAC REMOTE ENABLE SIG HVAC SYSTEM ENABLE SIG IGNITION MODE SWITCH ACCESSORY LED SIG IGNITION MODE SWITCH MODE VOLTAGE IMMOBILIZER ANTENNA LOW SIG IMMOBILIZER ANTENNA SIG (+) INSIDE AIR TEMPERATURE SENS SIG INSTRUMENT PANEL ACCENT LIGHTING CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP SIGNAL INTERIOR PASSIVE ENTRY ANTENNA 1 HIGH SIG INTERIOR PASSIVE ENTRY ANTENNA 1 LOW SIG LEFT TURN SIG SWITCH SIG NAVIGATION SYSTEM POWER DISTRIBUTION SYSTEM REAR COMPARTMENT COURTESY LAMP CTRL REAR FOOTWELL ACCENT LIGHTING CTRL RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RETAINED ACCESSORY POWER RELAY 2 COIL CTRL RIGHT TURN SIG SWITCH SIG RUN/CRANK RELAY COIL CTRL SECONDARY FUSED BATTERY POSITIVE VOLTAGE 21 SECONDARY FUSED BATTERY POSITIVE VOLTAGE 22 SECONDARY FUSED BATTERY POSITIVE VOLTAGE 25 SECONDARY FUSED BATTERY POSITIVE VOLTAGE 40 SECURITY INDICATOR CTRL SENS LOW REFERENCE SOUND SYSTEMS STARTING/CHARGING, POWER DISTRIBUTION SYSTEMS STATUS SIG LEFT REAR STEERING WHEEL RESISTOR LADDER LOW REFERENCE TAP UP/DOWN SWITCH SIG TRACTION CTRL SWITCH SIG 1 TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER SWITCH SIG WINDSHIELD WIPER SWITCH LOW REFERENCE WINDSHIELD WIPER SWITCH LOW SIG WIPER/WASHER SYSTEM YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

A/C COMPRESSOR SOLENOID VALVE CTRL AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES, EXTERIOR LIGHTS SYSTEMS AUTO HIGH BEAM ASSIST SWITCH SIG AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK/BRN WIRE BLK/YEL WIRE BLOWER SPEED FEEDBACK SIG BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BODY CTRL MODULE LIN BUS 12 BODY CTRL MODULE LIN BUS 16 BODY CTRL MODULE LIN BUS 2 BODY CTRL MODULE LIN BUS 3 BODY CTRL MODULE LIN BUS 4 BODY CTRL MODULE LIN BUS 8 BODY CTRL MODULE LIN BUS 9 BRAKE APPLY SENS LOW REFERENCE BRAKE APPLY SENS SIG BRAKE APPLY SENS VOLTAGE REFERENCE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL, EXTERIOR LIGHTS SYSTEMS CRUISE/ETC/TCC BRAKE SIG DEFOGGER SYSTEM DOME/READING LAMP CTRL DOME/READING LAMP ENABLE SIG DOOR DEAD LOCK ACTUATOR LOCK CTRL DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER MODE 2 SW SIG GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HANDSFREE LIFTGATE SENSOR LAMP CTRL HEADLIGHTS SYSTEM HOOD STATUS B SIG HORN RELAY CTRL HORNS SYSTEM IGNITION MODE SWITCH START LED SIG INSTRUMENT PANEL LAMP DIMMER SWITCH LOW REFERENCE INSTRUMENT PANEL LAMP DIMMER SWITCH SIG INTERIOR DOOR HANDLE ACCENT LIGHTING CTRL INTERIOR PASSIVE ENTRY ANTENNA 2 HIGH SIG INTERIOR PASSIVE ENTRY ANTENNA 2 LOW SIG KEY CAPTURE/COLUMN LOCK SHIFT POSITION SIG LANE DEPARTURE WARNING DISABLE SWITCH SIG LANE DEPARTURE WARNING INDICATOR CTRL REAR PARKING ASSIST DISABLE LED SIG LED BACKLIGHT DIMMING CTRL 1 LEFT FRONT DOOR EXTERIOR SWITCH LOCK SIG LEFT FRONT DOOR LOCK ACTUATOR LOCK CTRL LEFT FRONT DOOR OPEN SWITCH SIG LEFT REAR DOOR EXTERIOR SWITCH LOCK SIG LEFT REAR DOOR LOCK ACTUATOR LOCK CTRL LEFT REAR SEAT HAPTIC MOVEMENT MOTOR CTRL LOCK ACTUATORS UNLOCK CTRL 1 LOCK ACTUATORS UNLOCK CTRL 2 NAVIGATION SYSTEM PARK LOCK SOLENOID ACTUATOR CTRL PASSIVE ENTRY LEFT FRONT ANTENNA SIG HIGH PASSIVE ENTRY LEFT FRONT ANTENNA SIG LOW PASSIVE ENTRY RIGHT FRONT ANTENNA SIG HIGH PASSIVE ENTRY RIGHT FRONT DOOR ANTENNA SIG LOW POWER DISTRIBUTION SYSTEM REAR CLOSURE HANDLE SWITCH OPEN SIG REAR CLOSURE KEYLESS ENTRY ANTENNA HIGH SIG REAR CLOSURE KEYLESS ENTRY ANTENNA LOW SIG REAR CLOSURE UNLATCH ACTUATOR UNLATCH CTRL REAR DEFOGGER RELAY CTRL REAR PARKING ASSIST DISABLE SIG RIGHT FRONT DOOR EXTERIOR SWITCH LOCK SIG RIGHT FRONT DOOR LOCK ACTUATOR LOCK CTRL RIGHT REAR DOOR EXTERIOR SWITCH LOCK SIG RIGHT REAR DOOR LOCK ACTUATOR LOCK CTRL RIGHT REAR SEAT HAPTIC MOVEMENT MOTOR CTRL SHIFT INTERLOCK SYSTEM SOUND SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

ACTUATOR RLY CTRL BUS (-) SERIAL DATA BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BUS (+) 3 SERIAL DATA BUS (-) 2 SERIAL DATA BUS (-) SERIAL DATA CAN BUS (-) 3 SER DATA COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (UNDER FUSE BLOCK UNDERHOOD) GRN/BLK WIRE GRN/YEL WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE VLT IGN MODE SW SIG 2 IGNITION MODE SWITCH INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK MULTI-FUNCTION POWER SUPPLY CONVERTER PASSIVE START SW 2 LOW REF POWER DISTRIBUTION SYSTEM REAR BODY WIRING HARNESS JUNCTION BLOCK RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT 4 STARTER PINION SENS 5 VOLT REF 1 SERIAL DATA GATEWAY MODULE (LEFT SIDE OF DASH) STARTER ENABLE RLY CTRL TRENS INTERNAL MODE SW MODE CTRL Y VEHICLE SENS LOW REF 1 VIO/GRN WIRE WHT WIRE WHT/RED WIRE YEL/BLK WIRE YEL/VIO WIRE

A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACCELERATOR PEDAL POS LO REF 1 ACCELERATOR PEDAL POS LO REF 2 ACCELERATOR PEDAL POS SIG 1 ACCELERATOR PEDAL POS SIG 2 AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 3 SERIAL DATA BATT POS VOLT 4 BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE POS SENS SIG BRN/BLU WIRE BRN/RED WIRE CAMSHAFT EXHAUST LOBE AXIAL POS SIG 1 CAMSHAFT EXHAUST LOBE AXIAL POS SIG 2 CAMSHAFT EXHAUST STEPPER CYLINDER 2 FRONT SOL CTRL CAMSHAFT EXHAUST STEPPER CYLINDER 2 POS SIG CAMSHAFT EXHAUST STEPPER CYLINDER 2 REAR SOL CTRL CAMSHAFT EXHAUST STEPPER CYLINDER 3 FRONT SOL CTRL CAMSHAFT EXHAUST STEPPER CYLINDER 3 POS SIG CAMSHAFT EXHAUST STEPPER CYLINDER 3 REAR SOL CTRL CAMSHAFT INTAKE LOBE AXIAL POS SIG 1 CAMSHAFT INTAKE LOBE AXIAL POS SIG 2 CAMSHAFT INTAKE STEPPER CYLINDER 4 FRONT SOL CTRL CAMSHAFT INTAKE STEPPER CYLINDER 4 REAR SOL CTRL CAMSHAFT POS MOTOR CONTROL A CAMSHAFT POS MOTOR CONTROL B CAMSHAFT POS MOTOR CONTROL C CAMSHAFT POS MOTOR CONTROL D CAMSHAFT POS MOTOR POS SENSOR 1 SIG CAMSHAFT POS MOTOR POS SENSOR 2 SIG CAMSHAFT POS SENSOR 2 GROUND COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DRIVELINE MOUNT ACTUATOR 1 CTRL ENGINE CONTROL MODULE (UNDER FUSE BLOCK UNDERHOOD) ENGINE CTRL MODULE LIN BUS 4 FUEL PUMP PRIMARY RLY CTRL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HOOD STATUS A SIG MASS AIR FLOW SENS SIG POWER DISTRIBUTION SYSTEM POWERTRAIN MAIN RLY FUSED SUPLY 1 POWERTRAIN MAIN RLY FUSED SUPLY 2 POWERTRAIN RLY COIL CTRL PRIVATE SERIAL DATA POWERTRAIN CAN BUS (+) SERIAL DATA RED/BRN WIRE RUN/CRANK IGNITION 1 VOLT 4 STARTER ENABLE RLY CTRL STARTER PINION SOL ACTUATOR RLY CTRL STARTING/ CHARGING SYSTEM STEP CAM A CTRL STEP CAM B CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE